On Mon, 11 Dec 2017 23:55:16 +0800
weiping zhang <zhangweiping@xxxxxxxxxxxxxxx> wrote:
> don't free vp_dev until vp_dev->vdev.dev.release be called.
Maybe add the same description as in your virtio_mmio patch so that it
is clear why the kfree() is not ok?
>
> Signed-off-by: weiping zhang <zhangweiping@xxxxxxxxxxxxxxx>
> ---
> drivers/virtio/virtio_pci_common.c | 17 +++++++++--------
> 1 file changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
> index 1c4797e..91d20f7 100644
> --- a/drivers/virtio/virtio_pci_common.c
> +++ b/drivers/virtio/virtio_pci_common.c
> @@ -551,16 +551,17 @@ static int virtio_pci_probe(struct pci_dev *pci_dev,
> pci_set_master(pci_dev);
>
> rc = register_virtio_device(&vp_dev->vdev);
> - if (rc)
> - goto err_register;
> + if (rc) {
> + if (vp_dev->ioaddr)
> + virtio_pci_legacy_remove(vp_dev);
> + else
> + virtio_pci_modern_remove(vp_dev);
> + pci_disable_device(pci_dev);
> + put_device(&vp_dev->vdev.dev);
> + }
>
> - return 0;
> + return rc;
>
> -err_register:
> - if (vp_dev->ioaddr)
> - virtio_pci_legacy_remove(vp_dev);
> - else
> - virtio_pci_modern_remove(vp_dev);
> err_probe:
> pci_disable_device(pci_dev);
> err_enable_device:
Otherwise, looks good.
Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
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